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Cast Alnico magnet

Cast Alnico magnet

Cast Alnico magnets, which are alumium nickel-cobaltiron alloys,are the most established and windely used magnet materials.Because of their high flux density and superior temperature stability,cast alnico have been accepted in the widest range of application.

Alnico magnets can be both anisotropic and isotropic. Anisotropic grades are oriented in the manufacturing direction and must be magnetized in the direction of orientation. Isotropic grades are not oriented and can be magnetized in any direction.

 

Typical Magnetic Performance for Cast Alnico
Grade
Br
Hc
(BH)max
Curie Temp
Work Temp
US standard
mT
Gs
KA/m
Oe
KJ/m3
MGOe
°C
°C

MMPA
Equivalent

*LN9

680

6800
30
380
9.0
1.13
810
450
Alnico 3
*LN10
650
6500
42
530
10.0
1.20
810
450
Alnico 3
*LNG12
720
7200
45
500
12.4
1.55
810
450
Alnico 2
*LNG13
700
7000
50
620
13.0
1.60
810
450
Alnico 2
LNG16
800
8000
53
660
16.0
2.00
850
450
Alnico 4
LNG34
1180
11800
44
550
35.0
4.30
860
525
Alnico 5C
LNG37
1200
12000
48
600
37.0
4.65
860
525
Alnico 5
LNG40
1250
12500
48
600
40.0
5.00
860
525
LNG44
1250
12500
52
650
44.0
5.50
860
525
LNG52
1300
13000
56
700
52.0
6.50
860
525
Alnico 5 DG
LNG60
1350
13500
59
740
60.0
7.50
860
525
Alnico 5~7
*LNGT18
580
5800
100
1250
18.0
2.20
860
550
Alnico 8
LNGT28
1000
10000
58
720
28.0
3.50
860
525
Alnico 6
LNGT32
800
8000
100
1250
32.0
4.00
860
550
Alnico 8
LNGT38
820
8200
110
1380
38.0
4.75
860
550
LNGT44
880
8800
120
1500
44.0
5.50
860
550
LNGT60
900
9000
110
1380
60.0
7.50
860
550
LNGT72
1050
10500
112
1400
72.0
9.00
860
550
Alnico 9
LNGT36J
700
7000
140
1750
36.0
4.50
860
550
Alnico 8 HC
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